diff --git a/bsp/stm32/stm32f103-dofly-M3S/.config b/bsp/stm32/stm32f103-dofly-M3S/.config
index e858d3afd9..5a9531ed5f 100644
--- a/bsp/stm32/stm32f103-dofly-M3S/.config
+++ b/bsp/stm32/stm32f103-dofly-M3S/.config
@@ -106,6 +106,10 @@ CONFIG_FINSH_ARG_MAX=10
 # Device virtual file system
 #
 # CONFIG_RT_USING_DFS is not set
+# CONFIG_RT_DFS_ELM_USE_LFN_0 is not set
+# CONFIG_RT_DFS_ELM_USE_LFN_1 is not set
+# CONFIG_RT_DFS_ELM_USE_LFN_2 is not set
+# CONFIG_RT_DFS_ELM_USE_LFN_3 is not set
 
 #
 # Device Drivers
@@ -160,6 +164,11 @@ CONFIG_RT_USING_PIN=y
 #
 # CONFIG_RT_USING_SAL is not set
 
+#
+# Network interface device
+#
+# CONFIG_RT_USING_NETDEV is not set
+
 #
 # light weight TCP/IP stack
 #
@@ -183,7 +192,6 @@ CONFIG_RT_USING_PIN=y
 #
 # Utilities
 #
-# CONFIG_RT_USING_LOGTRACE is not set
 # CONFIG_RT_USING_RYM is not set
 # CONFIG_RT_USING_ULOG is not set
 # CONFIG_RT_USING_UTEST is not set
@@ -313,7 +321,6 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_MPU6XXX is not set
 # CONFIG_PKG_USING_PCF8574 is not set
 # CONFIG_PKG_USING_SX12XX is not set
-# CONFIG_PKG_USING_SIGNAL_LED is not set
 # CONFIG_PKG_USING_KENDRYTE_SDK is not set
 
 #
@@ -350,6 +357,7 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_PKG_USING_PERSIMMON_SRC is not set
 # CONFIG_PKG_USING_JS_PERSIMMON is not set
 # CONFIG_PKG_USING_JERRYSCRIPT_WIN32 is not set
+# CONFIG_PKG_USING_LIBRWS is not set
 
 #
 # Network Utilities
@@ -379,6 +387,7 @@ CONFIG_SOC_STM32F103RB=y
 #
 # Onboard Peripheral Drivers
 #
+# CONFIG_BSP_USING_SDCARD is not set
 
 #
 # On-chip Peripheral Drivers
@@ -386,6 +395,7 @@ CONFIG_SOC_STM32F103RB=y
 CONFIG_BSP_USING_GPIO=y
 CONFIG_BSP_USING_UART=y
 CONFIG_BSP_USING_UART1=y
+# CONFIG_BSP_USING_SDIO is not set
 
 #
 # Board extended module Drivers
diff --git a/bsp/stm32/stm32f103-dofly-M3S/README.md b/bsp/stm32/stm32f103-dofly-M3S/README.md
index bf1b147b03..813106ea16 100644
--- a/bsp/stm32/stm32f103-dofly-M3S/README.md
+++ b/bsp/stm32/stm32f103-dofly-M3S/README.md
@@ -37,10 +37,15 @@ STM32F103 德飞莱-尼莫 M3S 是徳飞莱推出的一款基于 ARM Cortex-M3 
 
 本 BSP 目前对外设的支持情况如下：
 
-| **片上外设**      | **支持情况** | **备注**                              |
+| **板载外设** | **支持情况** | **备注** |
 | :-----: | :-----: | :-----: |
+| SDCARD | 支持 |  |
+| **片上外设** | **支持情况** | **备注** |
 | GPIO  | 支持 |  |
 | USART | 支持 | USART1 |
+| SDIO | 支持 |  |
+| **扩展模块** | **支持情况** | **备注** |
+| 暂无 | 暂不支持 | 暂不支持 |
 
 ## 使用说明
 
diff --git a/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/.mxproject b/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/.mxproject
index 65f211c5a3..d0b9166e50 100644
--- a/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/.mxproject
+++ b/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/.mxproject
@@ -1,13 +1,13 @@
 [PreviousGenFiles]
-HeaderPath=D:/Work_RT-Thread/GitHub/rt-thread/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/Inc
+HeaderPath=D:/Workspace/RT-Thread/My_GitHub/rt-thread/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/Inc
 HeaderFiles=stm32f1xx_it.h;stm32f1xx_hal_conf.h;main.h;
-SourcePath=D:/Work_RT-Thread/GitHub/rt-thread/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/Src
+SourcePath=D:/Workspace/RT-Thread/My_GitHub/rt-thread/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/Src
 SourceFiles=stm32f1xx_it.c;stm32f1xx_hal_msp.c;main.c;
 
 [PreviousLibFiles]
-LibFiles=Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_tim.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_tim_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_uart.h;Drivers/STM32F1xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_def.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_rcc.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_rcc_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_gpio.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_gpio_ex.h;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_dma_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_dma.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_cortex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_pwr.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_flash.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_flash_ex.h;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim_ex.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc_ex.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_cortex.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pwr.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_tim.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_tim_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_uart.h;Drivers/STM32F1xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_def.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_rcc.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_rcc_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_gpio.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_gpio_ex.h;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_dma_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_dma.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_cortex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_pwr.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_flash.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_flash_ex.h;Drivers/CMSIS/Device/ST/STM32F1xx/Include/stm32f103xe.h;Drivers/CMSIS/Device/ST/STM32F1xx/Include/stm32f1xx.h;Drivers/CMSIS/Device/ST/STM32F1xx/Include/system_stm32f1xx.h;Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/system_stm32f1xx.c;Drivers/CMSIS/Include/arm_common_tables.h;Drivers/CMSIS/Include/arm_const_structs.h;Drivers/CMSIS/Include/arm_math.h;Drivers/CMSIS/Include/cmsis_armcc.h;Drivers/CMSIS/Include/cmsis_armcc_V6.h;Drivers/CMSIS/Include/cmsis_gcc.h;Drivers/CMSIS/Include/core_cm0.h;Drivers/CMSIS/Include/core_cm0plus.h;Drivers/CMSIS/Include/core_cm3.h;Drivers/CMSIS/Include/core_cm4.h;Drivers/CMSIS/Include/core_cm7.h;Drivers/CMSIS/Include/core_cmFunc.h;Drivers/CMSIS/Include/core_cmInstr.h;Drivers/CMSIS/Include/core_cmSimd.h;Drivers/CMSIS/Include/core_sc000.h;Drivers/CMSIS/Include/core_sc300.h;
+LibFiles=Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_ll_sdmmc.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_sd.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_tim.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_tim_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_uart.h;Drivers/STM32F1xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_def.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_rcc.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_rcc_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_gpio.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_gpio_ex.h;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_dma_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_dma.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_cortex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_pwr.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_flash.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_flash_ex.h;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_ll_sdmmc.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_sd.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim_ex.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc_ex.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_cortex.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pwr.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_ll_sdmmc.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_sd.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_tim.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_tim_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_uart.h;Drivers/STM32F1xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_def.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_rcc.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_rcc_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_gpio.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_gpio_ex.h;Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_dma_ex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_dma.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_cortex.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_pwr.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_flash.h;Drivers/STM32F1xx_HAL_Driver/Inc/stm32f1xx_hal_flash_ex.h;Drivers/CMSIS/Device/ST/STM32F1xx/Include/stm32f103xe.h;Drivers/CMSIS/Device/ST/STM32F1xx/Include/stm32f1xx.h;Drivers/CMSIS/Device/ST/STM32F1xx/Include/system_stm32f1xx.h;Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/system_stm32f1xx.c;Drivers/CMSIS/Include/arm_common_tables.h;Drivers/CMSIS/Include/arm_const_structs.h;Drivers/CMSIS/Include/arm_math.h;Drivers/CMSIS/Include/cmsis_armcc.h;Drivers/CMSIS/Include/cmsis_armcc_V6.h;Drivers/CMSIS/Include/cmsis_gcc.h;Drivers/CMSIS/Include/core_cm0.h;Drivers/CMSIS/Include/core_cm0plus.h;Drivers/CMSIS/Include/core_cm3.h;Drivers/CMSIS/Include/core_cm4.h;Drivers/CMSIS/Include/core_cm7.h;Drivers/CMSIS/Include/core_cmFunc.h;Drivers/CMSIS/Include/core_cmInstr.h;Drivers/CMSIS/Include/core_cmSimd.h;Drivers/CMSIS/Include/core_sc000.h;Drivers/CMSIS/Include/core_sc300.h;
 
 [PreviousUsedKeilFiles]
-SourceFiles=..\Src\main.c;..\Src\stm32f1xx_it.c;..\Src\stm32f1xx_hal_msp.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_cortex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pwr.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c;../\Src/system_stm32f1xx.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_cortex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pwr.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c;../\Src/system_stm32f1xx.c;../Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/system_stm32f1xx.c;null;
+SourceFiles=..\Src\main.c;..\Src\stm32f1xx_it.c;..\Src\stm32f1xx_hal_msp.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_ll_sdmmc.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_sd.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_cortex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pwr.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c;../\Src/system_stm32f1xx.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_ll_sdmmc.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_sd.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_tim_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rcc_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_dma.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_cortex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_pwr.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash_ex.c;../Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_gpio_ex.c;../\Src/system_stm32f1xx.c;../Drivers/CMSIS/Device/ST/STM32F1xx/Source/Templates/system_stm32f1xx.c;null;
 HeaderPath=..\Drivers\STM32F1xx_HAL_Driver\Inc;..\Drivers\STM32F1xx_HAL_Driver\Inc\Legacy;..\Drivers\CMSIS\Device\ST\STM32F1xx\Include;..\Drivers\CMSIS\Include;..\Inc;
 
diff --git a/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/CubeMX_Config.ioc b/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/CubeMX_Config.ioc
index adef36f763..5494ead75f 100644
--- a/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/CubeMX_Config.ioc
+++ b/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/CubeMX_Config.ioc
@@ -4,21 +4,28 @@ KeepUserPlacement=false
 Mcu.Family=STM32F1
 Mcu.IP0=NVIC
 Mcu.IP1=RCC
-Mcu.IP2=SYS
-Mcu.IP3=USART1
-Mcu.IPNb=4
+Mcu.IP2=SDIO
+Mcu.IP3=SYS
+Mcu.IP4=USART1
+Mcu.IPNb=5
 Mcu.Name=STM32F103Z(C-D-E)Tx
 Mcu.Package=LQFP144
 Mcu.Pin0=PC14-OSC32_IN
 Mcu.Pin1=PC15-OSC32_OUT
+Mcu.Pin10=PC10
+Mcu.Pin11=PC11
+Mcu.Pin12=PC12
+Mcu.Pin13=PD2
+Mcu.Pin14=VP_SYS_VS_Systick
 Mcu.Pin2=OSC_IN
 Mcu.Pin3=OSC_OUT
-Mcu.Pin4=PA9
-Mcu.Pin5=PA10
-Mcu.Pin6=PA13
-Mcu.Pin7=PA14
-Mcu.Pin8=VP_SYS_VS_Systick
-Mcu.PinsNb=9
+Mcu.Pin4=PC8
+Mcu.Pin5=PC9
+Mcu.Pin6=PA9
+Mcu.Pin7=PA10
+Mcu.Pin8=PA13
+Mcu.Pin9=PA14
+Mcu.PinsNb=15
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32F103ZETx
@@ -46,10 +53,20 @@ PA14.Mode=Serial_Wire
 PA14.Signal=SYS_JTCK-SWCLK
 PA9.Mode=Asynchronous
 PA9.Signal=USART1_TX
+PC10.Mode=SD_4_bits_Wide_bus
+PC10.Signal=SDIO_D2
+PC11.Mode=SD_4_bits_Wide_bus
+PC11.Signal=SDIO_D3
+PC12.Mode=SD_4_bits_Wide_bus
+PC12.Signal=SDIO_CK
 PC14-OSC32_IN.Mode=LSE-External-Oscillator
 PC14-OSC32_IN.Signal=RCC_OSC32_IN
 PC15-OSC32_OUT.Mode=LSE-External-Oscillator
 PC15-OSC32_OUT.Signal=RCC_OSC32_OUT
+PC8.Mode=SD_4_bits_Wide_bus
+PC8.Signal=SDIO_D0
+PC9.Mode=SD_4_bits_Wide_bus
+PC9.Signal=SDIO_D1
 PCC.Checker=false
 PCC.Line=STM32F103
 PCC.MCU=STM32F103Z(C-D-E)Tx
@@ -58,6 +75,8 @@ PCC.Seq0=0
 PCC.Series=STM32F1
 PCC.Temperature=25
 PCC.Vdd=3.3
+PD2.Mode=SD_4_bits_Wide_bus
+PD2.Signal=SDIO_CMD
 PinOutPanel.RotationAngle=0
 ProjectManager.AskForMigrate=true
 ProjectManager.BackupPrevious=false
@@ -85,7 +104,7 @@ ProjectManager.StackSize=0x400
 ProjectManager.TargetToolchain=MDK-ARM V5
 ProjectManager.ToolChainLocation=
 ProjectManager.UnderRoot=false
-ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_USART1_UART_Init-USART1-false-HAL-true
+ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-false,3-MX_USART1_UART_Init-USART1-false-HAL-true,4-MX_SDIO_SD_Init-SDIO-false-HAL-true
 RCC.ADCFreqValue=36000000
 RCC.AHBFreq_Value=72000000
 RCC.APB1CLKDivider=RCC_HCLK_DIV2
diff --git a/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/Inc/stm32f1xx_hal_conf.h b/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/Inc/stm32f1xx_hal_conf.h
index 9ab2b09148..7b61da72d7 100644
--- a/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/Inc/stm32f1xx_hal_conf.h
+++ b/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/Inc/stm32f1xx_hal_conf.h
@@ -72,7 +72,7 @@
 /*#define HAL_PWR_MODULE_ENABLED   */
 /*#define HAL_RCC_MODULE_ENABLED   */
 /*#define HAL_RTC_MODULE_ENABLED   */
-/*#define HAL_SD_MODULE_ENABLED   */
+#define HAL_SD_MODULE_ENABLED
 /*#define HAL_MMC_MODULE_ENABLED   */
 /*#define HAL_SDRAM_MODULE_ENABLED   */
 /*#define HAL_SMARTCARD_MODULE_ENABLED   */
diff --git a/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/Src/main.c b/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/Src/main.c
index c183908d36..95d2d2ca75 100644
--- a/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/Src/main.c
+++ b/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/Src/main.c
@@ -42,6 +42,8 @@
 /* USER CODE END PM */
 
 /* Private variables ---------------------------------------------------------*/
+SD_HandleTypeDef hsd;
+
 UART_HandleTypeDef huart1;
 
 /* USER CODE BEGIN PV */
@@ -52,6 +54,7 @@ UART_HandleTypeDef huart1;
 void SystemClock_Config(void);
 static void MX_GPIO_Init(void);
 static void MX_USART1_UART_Init(void);
+static void MX_SDIO_SD_Init(void);
 /* USER CODE BEGIN PFP */
 
 /* USER CODE END PFP */
@@ -90,6 +93,7 @@ int main(void)
   /* Initialize all configured peripherals */
   MX_GPIO_Init();
   MX_USART1_UART_Init();
+  MX_SDIO_SD_Init();
   /* USER CODE BEGIN 2 */
 
   /* USER CODE END 2 */
@@ -142,6 +146,42 @@ void SystemClock_Config(void)
   }
 }
 
+/**
+  * @brief SDIO Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_SDIO_SD_Init(void)
+{
+
+  /* USER CODE BEGIN SDIO_Init 0 */
+
+  /* USER CODE END SDIO_Init 0 */
+
+  /* USER CODE BEGIN SDIO_Init 1 */
+
+  /* USER CODE END SDIO_Init 1 */
+  hsd.Instance = SDIO;
+  hsd.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
+  hsd.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
+  hsd.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
+  hsd.Init.BusWide = SDIO_BUS_WIDE_1B;
+  hsd.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
+  hsd.Init.ClockDiv = 0;
+  if (HAL_SD_Init(&hsd) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  if (HAL_SD_ConfigWideBusOperation(&hsd, SDIO_BUS_WIDE_4B) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN SDIO_Init 2 */
+
+  /* USER CODE END SDIO_Init 2 */
+
+}
+
 /**
   * @brief USART1 Initialization Function
   * @param None
@@ -186,6 +226,7 @@ static void MX_GPIO_Init(void)
   /* GPIO Ports Clock Enable */
   __HAL_RCC_GPIOC_CLK_ENABLE();
   __HAL_RCC_GPIOA_CLK_ENABLE();
+  __HAL_RCC_GPIOD_CLK_ENABLE();
 
 }
 
diff --git a/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/Src/stm32f1xx_hal_msp.c b/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/Src/stm32f1xx_hal_msp.c
index 90e7d9544b..43ea3e2d4f 100644
--- a/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/Src/stm32f1xx_hal_msp.c
+++ b/bsp/stm32/stm32f103-dofly-M3S/board/CubeMX_Config/Src/stm32f1xx_hal_msp.c
@@ -81,6 +81,87 @@ void HAL_MspInit(void)
   /* USER CODE END MspInit 1 */
 }
 
+/**
+* @brief SD MSP Initialization
+* This function configures the hardware resources used in this example
+* @param hsd: SD handle pointer
+* @retval None
+*/
+void HAL_SD_MspInit(SD_HandleTypeDef* hsd)
+{
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+  if(hsd->Instance==SDIO)
+  {
+  /* USER CODE BEGIN SDIO_MspInit 0 */
+
+  /* USER CODE END SDIO_MspInit 0 */
+    /* Peripheral clock enable */
+    __HAL_RCC_SDIO_CLK_ENABLE();
+  
+    __HAL_RCC_GPIOC_CLK_ENABLE();
+    __HAL_RCC_GPIOD_CLK_ENABLE();
+    /**SDIO GPIO Configuration    
+    PC8     ------> SDIO_D0
+    PC9     ------> SDIO_D1
+    PC10     ------> SDIO_D2
+    PC11     ------> SDIO_D3
+    PC12     ------> SDIO_CK
+    PD2     ------> SDIO_CMD 
+    */
+    GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11 
+                          |GPIO_PIN_12;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
+
+    GPIO_InitStruct.Pin = GPIO_PIN_2;
+    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
+    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+    HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
+
+  /* USER CODE BEGIN SDIO_MspInit 1 */
+
+  /* USER CODE END SDIO_MspInit 1 */
+  }
+
+}
+
+/**
+* @brief SD MSP De-Initialization
+* This function freeze the hardware resources used in this example
+* @param hsd: SD handle pointer
+* @retval None
+*/
+void HAL_SD_MspDeInit(SD_HandleTypeDef* hsd)
+{
+  if(hsd->Instance==SDIO)
+  {
+  /* USER CODE BEGIN SDIO_MspDeInit 0 */
+
+  /* USER CODE END SDIO_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_SDIO_CLK_DISABLE();
+  
+    /**SDIO GPIO Configuration    
+    PC8     ------> SDIO_D0
+    PC9     ------> SDIO_D1
+    PC10     ------> SDIO_D2
+    PC11     ------> SDIO_D3
+    PC12     ------> SDIO_CK
+    PD2     ------> SDIO_CMD 
+    */
+    HAL_GPIO_DeInit(GPIOC, GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11 
+                          |GPIO_PIN_12);
+
+    HAL_GPIO_DeInit(GPIOD, GPIO_PIN_2);
+
+  /* USER CODE BEGIN SDIO_MspDeInit 1 */
+
+  /* USER CODE END SDIO_MspDeInit 1 */
+  }
+
+}
+
 /**
 * @brief UART MSP Initialization
 * This function configures the hardware resources used in this example
diff --git a/bsp/stm32/stm32f103-dofly-M3S/board/Kconfig b/bsp/stm32/stm32f103-dofly-M3S/board/Kconfig
index e33713debf..09bcdea46e 100644
--- a/bsp/stm32/stm32f103-dofly-M3S/board/Kconfig
+++ b/bsp/stm32/stm32f103-dofly-M3S/board/Kconfig
@@ -7,6 +7,14 @@ config SOC_STM32F103RB
 
 menu "Onboard Peripheral Drivers"
 
+    config BSP_USING_SDCARD
+        bool "Enable SDCARD (sdio)"
+        select BSP_USING_SDIO
+        select RT_USING_DFS
+        select RT_USING_DFS_ELMFAT
+        select RT_USING_PIN
+        default n
+
 endmenu
 
 menu "On-chip Peripheral Drivers"
@@ -26,6 +34,12 @@ menu "On-chip Peripheral Drivers"
                 default y
 
         endif
+        
+    config BSP_USING_SDIO
+        bool "Enable SDIO"
+        select RT_USING_SDIO
+        select RT_USING_DFS
+        default n
 
 endmenu
 
diff --git a/bsp/stm32/stm32f103-dofly-M3S/board/SConscript b/bsp/stm32/stm32f103-dofly-M3S/board/SConscript
index 0f7ccb024c..305eff1c10 100644
--- a/bsp/stm32/stm32f103-dofly-M3S/board/SConscript
+++ b/bsp/stm32/stm32f103-dofly-M3S/board/SConscript
@@ -12,8 +12,12 @@ board.c
 CubeMX_Config/Src/stm32f1xx_hal_msp.c
 ''')
 
+if GetDepend(['BSP_USING_SDCARD']):
+    src += Glob('ports/drv_sdcard.c')
+
 path =  [cwd]
 path += [cwd + '/CubeMX_Config/Inc']
+path += [cwd + '/ports']
 
 startup_path_prefix = SDK_LIB
 
diff --git a/bsp/stm32/stm32f103-dofly-M3S/board/ports/drv_sdcard.c b/bsp/stm32/stm32f103-dofly-M3S/board/ports/drv_sdcard.c
new file mode 100644
index 0000000000..ef539c46e4
--- /dev/null
+++ b/bsp/stm32/stm32f103-dofly-M3S/board/ports/drv_sdcard.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author        Notes
+ * 2018-12-13     balanceTWK    add sdcard port file
+ */
+
+#include <rtthread.h>
+
+#ifdef BSP_USING_SDCARD
+
+#include <dfs_elm.h>
+#include <dfs_fs.h>
+#include <dfs_posix.h>
+#include "drv_gpio.h"
+
+#define DBG_TAG "app.card"
+#define DBG_LVL DBG_INFO
+#include <rtdbg.h>
+
+void sd_mount(void *parameter)
+{
+    while (1)
+    {
+        rt_thread_mdelay(500);
+        if(rt_device_find("sd0") != RT_NULL)
+        {
+            if (dfs_mount("sd0", "/", "elm", 0, 0) == RT_EOK)
+            {
+                LOG_I("sd card mount to '/'");
+                break;
+            }
+            else
+            {
+                LOG_W("sd card mount to '/' failed!");
+            }
+        }
+    }
+}
+
+int stm32_sdcard_mount(void)
+{
+    rt_thread_t tid;
+
+    tid = rt_thread_create("sd_mount", sd_mount, RT_NULL,
+                           1024, RT_THREAD_PRIORITY_MAX - 2, 20);
+    if (tid != RT_NULL)
+    {
+        rt_thread_startup(tid);
+    }
+    else
+    {
+        LOG_E("create sd_mount thread err!");
+    }
+    return RT_EOK;
+}
+INIT_APP_EXPORT(stm32_sdcard_mount);
+
+#endif /* BSP_USING_SDCARD */
diff --git a/bsp/stm32/stm32f103-dofly-M3S/project.ewp b/bsp/stm32/stm32f103-dofly-M3S/project.ewp
index c60653bb3d..d6cd36e2bc 100644
--- a/bsp/stm32/stm32f103-dofly-M3S/project.ewp
+++ b/bsp/stm32/stm32f103-dofly-M3S/project.ewp
@@ -346,6 +346,7 @@
           <state>$PROJ_DIR$\..\..\..\components\finsh</state>
           <state>$PROJ_DIR$\..\..\..\libcpu\arm\common</state>
           <state>$PROJ_DIR$\..\libraries\STM32F1xx_HAL\STM32F1xx_HAL_Driver\Inc</state>
+          <state>$PROJ_DIR$\board\ports</state>
           <state>$PROJ_DIR$\..\..\..\components\drivers\include</state>
           <state>$PROJ_DIR$\..\libraries\STM32F1xx_HAL\CMSIS\Device\ST\STM32F1xx\Include</state>
           <state>$PROJ_DIR$\.</state>
@@ -1376,6 +1377,7 @@
           <state>$PROJ_DIR$\..\..\..\components\finsh</state>
           <state>$PROJ_DIR$\..\..\..\libcpu\arm\common</state>
           <state>$PROJ_DIR$\..\libraries\STM32F1xx_HAL\STM32F1xx_HAL_Driver\Inc</state>
+          <state>$PROJ_DIR$\board\ports</state>
           <state>$PROJ_DIR$\..\..\..\components\drivers\include</state>
           <state>$PROJ_DIR$\..\libraries\STM32F1xx_HAL\CMSIS\Device\ST\STM32F1xx\Include</state>
           <state>$PROJ_DIR$\.</state>
diff --git a/bsp/stm32/stm32f103-dofly-M3S/project.uvoptx b/bsp/stm32/stm32f103-dofly-M3S/project.uvoptx
index 5714f9765b..818ec4ab96 100644
--- a/bsp/stm32/stm32f103-dofly-M3S/project.uvoptx
+++ b/bsp/stm32/stm32f103-dofly-M3S/project.uvoptx
@@ -178,7 +178,6 @@
       <pMultCmdsp></pMultCmdsp>
       <DebugDescription>
         <Enable>1</Enable>
-        <EnableFlashSeq>0</EnableFlashSeq>
         <EnableLog>0</EnableLog>
         <Protocol>2</Protocol>
         <DbgClock>10000000</DbgClock>
@@ -376,7 +375,7 @@
 
   <Group>
     <GroupName>Applications</GroupName>
-    <tvExp>1</tvExp>
+    <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
diff --git a/bsp/stm32/stm32f103-dofly-M3S/project.uvproj b/bsp/stm32/stm32f103-dofly-M3S/project.uvproj
index b793596ef2..2e50f0389c 100644
--- a/bsp/stm32/stm32f103-dofly-M3S/project.uvproj
+++ b/bsp/stm32/stm32f103-dofly-M3S/project.uvproj
@@ -373,7 +373,7 @@
               <MiscControls />
               <Define>USE_HAL_DRIVER, STM32F103xE</Define>
               <Undefine />
-              <IncludePath>.;..\..\..\include;applications;.;board;board\CubeMX_Config\Inc;..\libraries\HAL_Drivers;..\libraries\HAL_Drivers\config;..\..\..\libcpu\arm\common;..\..\..\libcpu\arm\cortex-m3;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\finsh;..\libraries\STM32F1xx_HAL\CMSIS\Device\ST\STM32F1xx\Include;..\libraries\STM32F1xx_HAL\STM32F1xx_HAL_Driver\Inc;..\libraries\STM32F1xx_HAL\CMSIS\Include</IncludePath>
+              <IncludePath>.;..\..\..\include;applications;board;board\CubeMX_Config\Inc;board\ports;..\libraries\HAL_Drivers;..\libraries\HAL_Drivers\config;..\..\..\libcpu\arm\common;..\..\..\libcpu\arm\cortex-m3;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\finsh;..\libraries\STM32F1xx_HAL\CMSIS\Device\ST\STM32F1xx\Include;..\libraries\STM32F1xx_HAL\STM32F1xx_HAL_Driver\Inc;..\libraries\STM32F1xx_HAL\CMSIS\Include</IncludePath>
             </VariousControls>
           </Cads>
           <Aads>
diff --git a/bsp/stm32/stm32f103-dofly-M3S/project.uvprojx b/bsp/stm32/stm32f103-dofly-M3S/project.uvprojx
index 99a6829e71..ae7a4abef5 100644
--- a/bsp/stm32/stm32f103-dofly-M3S/project.uvprojx
+++ b/bsp/stm32/stm32f103-dofly-M3S/project.uvprojx
@@ -16,7 +16,7 @@
         <TargetCommonOption>
           <Device>STM32F103ZE</Device>
           <Vendor>STMicroelectronics</Vendor>
-          <PackID>Keil.STM32F1xx_DFP.2.3.0</PackID>
+          <PackID>Keil.STM32F1xx_DFP.2.2.0</PackID>
           <PackURL>http://www.keil.com/pack/</PackURL>
           <Cpu>IRAM(0x20000000,0x00010000) IROM(0x08000000,0x00080000) CPUTYPE("Cortex-M3") CLOCK(12000000) ELITTLE</Cpu>
           <FlashUtilSpec></FlashUtilSpec>
@@ -184,7 +184,6 @@
             <hadXRAM>0</hadXRAM>
             <uocXRam>0</uocXRam>
             <RvdsVP>0</RvdsVP>
-            <RvdsMve>0</RvdsMve>
             <hadIRAM2>0</hadIRAM2>
             <hadIROM2>0</hadIROM2>
             <StupSel>8</StupSel>
@@ -338,7 +337,7 @@
               <MiscControls></MiscControls>
               <Define>USE_HAL_DRIVER, STM32F103xE</Define>
               <Undefine></Undefine>
-              <IncludePath>.;..\..\..\include;applications;.;board;board\CubeMX_Config\Inc;..\libraries\HAL_Drivers;..\libraries\HAL_Drivers\config;..\..\..\libcpu\arm\common;..\..\..\libcpu\arm\cortex-m3;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\finsh;..\libraries\STM32F1xx_HAL\CMSIS\Device\ST\STM32F1xx\Include;..\libraries\STM32F1xx_HAL\STM32F1xx_HAL_Driver\Inc;..\libraries\STM32F1xx_HAL\CMSIS\Include</IncludePath>
+              <IncludePath>.;..\..\..\include;applications;board;board\CubeMX_Config\Inc;board\ports;..\libraries\HAL_Drivers;..\libraries\HAL_Drivers\config;..\..\..\libcpu\arm\common;..\..\..\libcpu\arm\cortex-m3;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\finsh;..\libraries\STM32F1xx_HAL\CMSIS\Device\ST\STM32F1xx\Include;..\libraries\STM32F1xx_HAL\STM32F1xx_HAL_Driver\Inc;..\libraries\STM32F1xx_HAL\CMSIS\Include</IncludePath>
             </VariousControls>
           </Cads>
           <Aads>
diff --git a/bsp/stm32/stm32f103-dofly-M3S/rtconfig.h b/bsp/stm32/stm32f103-dofly-M3S/rtconfig.h
index b96cebff5f..b5c72f4f36 100644
--- a/bsp/stm32/stm32f103-dofly-M3S/rtconfig.h
+++ b/bsp/stm32/stm32f103-dofly-M3S/rtconfig.h
@@ -96,6 +96,9 @@
 /* Socket abstraction layer */
 
 
+/* Network interface device */
+
+
 /* light weight TCP/IP stack */
 
 
@@ -167,6 +170,7 @@
 
 /* Onboard Peripheral Drivers */
 
+
 /* On-chip Peripheral Drivers */
 
 #define BSP_USING_GPIO